21155904

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:95

約数の個数: 280

約数和(自身を含む): 79662528

約数和(自身を除く): 58506624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 53, 54, 56, 63, 64, 66, 72, 77, 81, 84, 88, 96, 99, 106, 108, 112, 126, 132, 144, 154, 159, 162, 168, 176, 189, 192, 198, 212, 216, 224, 231, 252, 264, 288, 297, 308, 318, 324, 336, 352, 371, 378, 396, 424, 432, 448, 462, 477, 504, 528, 567, 576, 583, 594, 616, 636, 648, 672, 693, 704, 742, 756, 792, 848, 864, 891, 924, 954, 1008, 1056, 1113, 1134, 1166, 1188, 1232, 1272, 1296, 1344, 1386, 1431, 1484, 1512, 1584, 1696, 1728, 1749, 1782, 1848, 1908, 2016, 2079, 2112, 2226, 2268, 2332, 2376, 2464, 2544, 2592, 2772, 2862, 2968, 3024, 3168, 3339, 3392, 3498, 3564, 3696, 3816, 4032, 4081, 4158, 4293, 4452, 4536, 4664, 4752, 4928, 5088, 5184, 5247, 5544, 5724, 5936, 6048, 6237, 6336, 6678, 6996, 7128, 7392, 7632, 8162, 8316, 8586, 8904, 9072, 9328, 9504, 10017, 10176, 10494, 11088, 11448, 11872, 12096, 12243, 12474, 13356, 13992, 14256, 14784, 15264, 15741, 16324, 16632, 17172, 17808, 18144, 18656, 19008, 20034, 20988, 22176, 22896, 23744, 24486, 24948, 26712, 27984, 28512, 30051, 30528, 31482, 32648, 33264, 34344, 35616, 36288, 36729, 37312, 40068, 41976, 44352, 45792, 47223, 48972, 49896, 53424, 55968, 57024, 60102, 62964, 65296, 66528, 68688, 71232, 73458, 80136, 83952, 91584, 94446, 97944, 99792, 106848, 110187, 111936, 120204, 125928, 130592, 133056, 137376, 146916, 160272, 167904, 188892, 195888, 199584, 213696, 220374, 240408, 251856, 261184, 274752, 293832, 320544, 330561, 335808, 377784, 391776, 399168, 440748, 480816, 503712, 587664, 641088, 661122, 755568, 783552, 881496, 961632, 1007424, 1175328, 1322244, 1511136, 1762992, 1923264, 2350656, 2644488, 3022272, 3525984, 5288976, 7051968, 10577952, 21155904]

約数ペア:

[(1, 21155904), (2, 10577952), (3, 7051968), (4, 5288976), (6, 3525984), (7, 3022272), (8, 2644488), (9, 2350656), (11, 1923264), (12, 1762992), (14, 1511136), (16, 1322244), (18, 1175328), (21, 1007424), (22, 961632), (24, 881496), (27, 783552), (28, 755568), (32, 661122), (33, 641088), (36, 587664), (42, 503712), (44, 480816), (48, 440748), (53, 399168), (54, 391776), (56, 377784), (63, 335808), (64, 330561), (66, 320544), (72, 293832), (77, 274752), (81, 261184), (84, 251856), (88, 240408), (96, 220374), (99, 213696), (106, 199584), (108, 195888), (112, 188892), (126, 167904), (132, 160272), (144, 146916), (154, 137376), (159, 133056), (162, 130592), (168, 125928), (176, 120204), (189, 111936), (192, 110187), (198, 106848), (212, 99792), (216, 97944), (224, 94446), (231, 91584), (252, 83952), (264, 80136), (288, 73458), (297, 71232), (308, 68688), (318, 66528), (324, 65296), (336, 62964), (352, 60102), (371, 57024), (378, 55968), (396, 53424), (424, 49896), (432, 48972), (448, 47223), (462, 45792), (477, 44352), (504, 41976), (528, 40068), (567, 37312), (576, 36729), (583, 36288), (594, 35616), (616, 34344), (636, 33264), (648, 32648), (672, 31482), (693, 30528), (704, 30051), (742, 28512), (756, 27984), (792, 26712), (848, 24948), (864, 24486), (891, 23744), (924, 22896), (954, 22176), (1008, 20988), (1056, 20034), (1113, 19008), (1134, 18656), (1166, 18144), (1188, 17808), (1232, 17172), (1272, 16632), (1296, 16324), (1344, 15741), (1386, 15264), (1431, 14784), (1484, 14256), (1512, 13992), (1584, 13356), (1696, 12474), (1728, 12243), (1749, 12096), (1782, 11872), (1848, 11448), (1908, 11088), (2016, 10494), (2079, 10176), (2112, 10017), (2226, 9504), (2268, 9328), (2332, 9072), (2376, 8904), (2464, 8586), (2544, 8316), (2592, 8162), (2772, 7632), (2862, 7392), (2968, 7128), (3024, 6996), (3168, 6678), (3339, 6336), (3392, 6237), (3498, 6048), (3564, 5936), (3696, 5724), (3816, 5544), (4032, 5247), (4081, 5184), (4158, 5088), (4293, 4928), (4452, 4752), (4536, 4664)]